1) The negative form of the phrase "Paul and David work in the restaurant" is:

a)Paul and David work not in the restaurant.

b)We work not in the restaurant.

c)Paul and David do not work in the restaurant.

d)They are not work in the restaurant..

2) The past of the sentence "My brothers are good students" is:

a) My brothers was good students.

b)They were good students.

c)My brothers was good students.

d)They are good students.​